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BSI BS EN 61857-21:2009

Current Revision

Electrical insulation systems. Procedures for thermal evaluation. Specific requirements for general-purpose models. Wire-wound applications

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FOR GENERAL-PURPOSE MODELS, WIRE-WOUND APPLICATIONS

SDO BSI: British Standards Institution
Document Number BS EN 61857-21
Publication Date Oct. 31, 2009
Language en - English
Page Count 22
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Oct. 31, 2009 BS EN 61857-21:2009 Revision
Nov. 30, 2004 BS EN 61857-21:2004 Revision
Jan. 1, 1999 BS EN 61857-21:1999 Revision